VulnerabilityModified
CVE-2022-1786
A use-after-free flaw was found in the Linux kernel’s io_uring subsystem in the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one task completing submissions on this ring.
HIGH 7.8EPSS 1.01%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free flaw was found in the Linux kernel’s io_uring subsystem in the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one task completing submissions on this ring. This flaw allows a local user to crash or escalate their privileges on the system.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.01% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-843, CWE-416
- Affected
- linux/linux kernel · netapp/h410c firmware · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h410s firmware
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2087760Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220722-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5161Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2087760Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220722-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5161Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.